Device used for the bending of plate glass into convex shapes

Details Device used for the bending of plate glass into convex shapes Device used for the bending of plate glass into convex shapes

1998-06-15

1999-11-02

Griffin, Steven P.

Glass manufacturing

Glassworking or preform by or with reheating means

Planar sheet preform

65275, 65286, 65290, 65291, 65361, C03B 2303

Patent

active

059748362

ABSTRACT:
A device used for the bending of plate glass sections (3) includes an oven (1), a bending chamber (6), an upper bending mold installed in the bending chamber (6) in such a manner as to be able to be raised and lowered, a duct producing a flow of hot gas in order to raise the plate glass sections (3) against the upper bending mold, a lower bending mold in the form of a frame that works together with the upper bending mold to ensure bending by compression of the plate glass that is held by the flow of hot gas against the upper bending mold, as well as a movable transport frame (20) which is used to pick up the bent plate glass from the upper bending mold and to transport it to a cooling station located downstream. The lower bending mold in the shape of a frame is comprised of individual frame segments (9, 10, 11, 12) which can be moved between a closed position defining said lower bending frame and an open position in which the segments are separated from one another by such a distance that the upper bending mold can pass through the space defined within the separated segments.

REFERENCES:
patent: 2827738 (1958-03-01), McKelvey
patent: 2977719 (1961-04-01), Devore
patent: 3265489 (1966-08-01), Garbin
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patent: 4470837 (1984-09-01), Seymour
patent: 4661141 (1987-04-01), Nitschke et al.
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patent: 5178660 (1993-01-01), Wampler et al.
patent: 5302176 (1994-04-01), Shibuya et al.
patent: 5352263 (1994-10-01), Kuster et al.

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